Mitakon Speedmaster 90mm f/1.5: a budget Summilux-M
Zhong Yi Optics launched the Mitakon Speedmaster 90mm f/1.5 portrait lens, presented as a budget alternative to the legendary...
Mitakon Creator 135mm f/2.5 APO: a portrait lens rebuilt
Zhong Yi Optics has rebuilt its old 135mm f/2.8 lens into 135mm f/2.5, available in Canon EF, Canon RF,...